 var Utils = {
    getParam:function(paramName) {
        (paramValue = ""), (isFound = !1);
        if (
          window.location.search.indexOf("?") == 0 &&
          window.location.search.indexOf("=") > 1
        ) {
          (arrSource = unescape(window.location.search)
            .substring(1, window.location.search.length)
            .split("&")),
            (i = 0);
          while (i < arrSource.length && !isFound)
            arrSource[i].indexOf("=") > 0 &&
              arrSource[i].split("=")[0].toLowerCase() ==
                paramName.toLowerCase() &&
              ((paramValue = arrSource[i].split("=")[1]), (isFound = !0)),
              i++;
        }
        return paramValue == "" && (paramValue = null), paramValue;
    }
}